Don't forget the whole New Orleans jazz stuff. So much rich history. Here are some Hymms that are of deep meaning,in more ways than one.
Swing Low Sweet Chariot
The Gospel Train’s a Comin’
Wade in the Water
From this wesite:Songs of Freedom
I love all of those!
This is covering maybe too much territory. There is so much-don't know oif you can get all the way to rap to do it properly.